GazeTrigger.cs

using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class SimpleGazeCursor : MonoBehaviour
{
    public Camera viewCamera;
   
    // Start is called before the first frame update
    void Start()
    {
    
    }

    // Update is called once per frame
    void Update()
    {
        UpdateCursor();
    }

    private void UpdateCursor()
    {
        // Create a gaze ray pointing forward from the camera
        Ray ray = new Ray(viewCamera.transform.position, viewCamera.transform.rotation * Vector3.forward);
        RaycastHit hit;
        if (Physics.Raycast(ray, out hit, Mathf.Infinity))
        {
            Debug.Log("Gazing at "+hit.transform.name);
        }
        else
        {
            Debug.Log("Gazing at nothing");
        }
    }
    
}